Email Domain Checker: SPF, DKIM, DMARC, MX & Header Analyzer

ExtensionDeveloper Tools3 users

Item media 1 (screenshot) for Email Domain Checker: SPF, DKIM, DMARC, MX & Header Analyzer

Item media 2 (screenshot) for Email Domain Checker: SPF, DKIM, DMARC, MX & Header Analyzer

Overview

Check SPF, DKIM, DMARC and MX records for any website in one click, and analyze email headers without sending them anywhere.

Check any domain's email setup in one click. Open the extension on any website to see its MX, SPF, DKIM and DMARC records checked, with what is wrong and how to fix it. Type any other domain to check it too. The Email headers tab reads the headers of a message (Show original in Gmail, View source in Outlook) and shows whether SPF, DKIM and DMARC passed, the route it took and how long each hop waited. Headers are analyzed in your browser and never sent anywhere. - MX lookup with the mail provider - SPF, DKIM and DMARC checker with fixes - Email header analyzer with a hop-by-hop route - Light and dark, following your system Made by Shipmail, business email on your own domain: https://shipmail.to

0 out of 5
No ratings
Learn more about results and reviews.

Details

Version
1.0.1
Updated
November 2, 2026
Flag concern
Offered by
Shipmail
Size
228KiB
Languages
English
Developer
Email
support@shipmail.to
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

Email Domain Checker: SPF, DKIM, DMARC, MX & Header Analyzer has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.